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StepFun

Step 3.7 Flash

FTI
7–12

2 sources, 1 independent of the vendor: centre 9; the sources disagree widely, so shown as a band.

how FTI is computed

2 sources · between #40 and #57 of the 72 with an FTI score
Context256Ktokens
Imagesyesimage input
Free now1 of 2channels
Tested by us1 of 2channels measured

Where it's free now 2 channels tracked

ModelScope listed
no end announced
Checked Oct 28 · public record
Kilo Code ended
ended 14 days ago
Oct 20
works · Oct 79 parallel
Checked Oct 20 · API call

Free periods one bar per channel; markers are events

free so farpast announced endofficial end aheadinferred end aheadno end announcedended / not answering● event · ◆ end announced · tap one to see it

What happened newest first · times link to the source

Tue, Oct 2014 days ago
endedStep 3.7 Flash · Kilo Codeended
stepfun/step-3.7-flash:free is gone from Kilo's gateway catalogue (the paid stepfun/step-3.7-flash remains); 3 anonymous calls returned 404 "The requested model ... does not exist" (11:44-11:47Z) → end date Oct 20
Source: own check of the Kilo Gateway model list and anonymous calls
Tue, Oct 628 days ago
became availableDots3-Note Preview · Kilo Codelive Laguna S 2.1 · Kilo Codeended Ling 3.1 Flash · Kilo Codeended Nemotron 3 Super · Kilo Codenot answering Nemotron 3 Ultra (550B-A55B) · Kilo Codelive Apodex 1.1 Mini · Kilo Codeended North Mini Code · Kilo Codelive Ling 3.0 Flash Sante · Kilo Codeended LFM 2.5 2.6B · Kilo Codelive Nemotron 3 Nano Omni 30B A3B (reasoning) · Kilo Codelive Nemotron 3.5 Lightning · Kilo Codelive Laguna XS 2.1 · Kilo Codeended Step 3.7 Flash · Kilo Codeended
Answered a test prompt through the Kilo CLI (7.8.3, roll-call) without signing in
Source: own check
Mon, Aug 3
listedLaguna XS 2.1 · Kilo Codeended North Mini Code · Kilo Codelive Step 3.7 Flash · Kilo Codeended
First seen in Kilo's model catalogue (models.dev sync): Laguna XS 2.1, North Mini Code, Step 3.7 Flash
Source: models.dev commit

Channel details

Kilo Code ended✕ humans✕ agents

Tested by us
works · Oct 79 parallel
ⓘchecked Oct 7
Model ID
stepfun/step-3.7-flash:free
To start
$0 · no account ":free" models answered in the Kilo CLI without signing in (our test, Oct 6); other models need a Kilo account; non-":free" models answer 401 without sign-in (PAID_MODEL_AUTH_REQUIRED, seen 2026-10-16)
Use it
API · OpenAI chat
Free condition
Kilo account; $0 per token on Kilo's model list; works without signing in (Kilo Gateway ":free" model)
Limit (stated)
not published
Started
Aug 3
End
ended 14 days ago Oct 20gone from the Kilo Gateway catalogue (paid stepfun/step-3.7-flash remains); 3 calls 404 "does not exist" (2026-10-20)
Data policy
unstated
Channel type
agent tool
Checked
Oct 20 · API call

ModelScope listed✓ humans✓ agents

Tested by us
not measured
Model ID
stepfun-ai/Step-3.7-Flash
To start
$0 · account ModelScope account and access token; community reports say an Alibaba Cloud account with real-name verification must be bound
Use it
API · OpenAI chat
Free condition
Daily free API-Inference calls for registered users (a shared daily total; per-model caps vary)
Limit (stated)
published
ⓘ250 magicube/day shared
Started
API-Inference free calls (2000/day or 250 magicube)
End
no end announced
Data policy
not checked
Channel type
router
Checked
Oct 28 · public record